40269164 has 24 divisors (see below), whose sum is σ = 76296528. Its totient is φ = 18486720.

The previous prime is 40269149. The next prime is 40269169. The reversal of 40269164 is 46196204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40269164.

It is not an unprimeable number, because it can be changed into a prime (40269169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8279 + ... + 12209.

It is an arithmetic number, because the mean of its divisors is an integer number (3179022).

Almost surely, 2^40269164 is an apocalyptic number.

It is an amenable number.

40269164 is a deficient number, since it is larger than the sum of its proper divisors (36027364).

40269164 is a wasteful number, since it uses less digits than its factorization.

40269164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 40269164 is about 6345.7989252733. The cubic root of 40269164 is about 342.7605817029.

The spelling of 40269164 in words is "forty million, two hundred sixty-nine thousand, one hundred sixty-four".